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ARM: vic: MULTI_IRQ_HANDLER handler

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Add a handler for the VIC that is suitable for MULTI_IRQ_HANDLER
platforms.  This can replace the ASM entry macros for platforms that use
the VIC.

v4:	- rebase ontop of move __exception and friends to
	  asm/exception.h
	- rework polling loop to handle as many irqs as possible in one go
v3:	- simplify irq handling loop as suggested by Grant
	- service interrupts from msb->lsb order
v2:	- allow the handler be used for !CONFIG_OF
	- use irq_domain_to_irq()

Cc: Rob Herring <robherring2@gmail.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
This commit is contained in:
Jamie Iles
2011-09-28 09:40:11 +01:00
committed by Marc Zyngier
parent f9b28ccbc7
commit 1558368eb5
2 changed files with 41 additions and 0 deletions
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3
arch/arm/include/asm/hardware/vic.h
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@@ -45,8 +45,11 @@
#include <linux/types.h>
struct device_node;
struct pt_regs;
void vic_init(void __iomem *base, unsigned int irq_start, u32 vic_sources, u32 resume_sources);
int vic_of_init(struct device_node *node, struct device_node *parent);
void vic_handle_irq(struct pt_regs *regs);
#endif /* __ASSEMBLY__ */
#endif